2009 Arctic Cat 90 ATV Service Manual, Page 46Get this manual
Disassembling Crankcase Halves 1Remove one remaining cap screw from the right-side crankcase half; then tap the right-side crankcase half from the left side leaving the crankshaft in the left sideAccount for gasket and two alignment pinsYT122
AT THIS POINT
The center components are now disassembled for inspection
Servicing Crankcase Components
1Inspect the crankshaft, crankshaft bearings, and connecting rod for excessive wear, damage, or discoloration2Using thickness gauge, check for the side-to-side clearance between the connecting rod and crankshaftClearance must not be greater than specified